PF

Paul W. Firehammer

AS A123 Systems: 10 patents #8 of 171Top 5%
Apple: 7 patents #4,247 of 18,612Top 25%
Overall (All Time): #189,405 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12288900 Battery configurations having through-pack fasteners Dylan Erb, Abraham B. Caulk, Ross L. Johnstal, Edward T. Hillstrom, Zhongying Shi +2 more 2025-04-29
12170376 Battery configurations for cell balancing Dylan Erb, Abraham B. Caulk, Ross L. Johnstal, Edward T. Hillstrom, Christopher T. S. Campbell +1 more 2024-12-17
12009655 Switchable pyro fuse Dylan Erb, John M. Schoech, Alexander J. Clarabut 2024-06-11
11923494 Battery configurations having through-pack fasteners Dylan Erb, Abraham B. Caulk, Ross L. Johnstal, Edward T. Hillstrom, Zhongying Shi +2 more 2024-03-05
11677120 Battery configurations having through-pack fasteners Dylan Erb, Abraham B. Caulk, Ross L. Johnstal, Edward T. Hillstrom, Zhongying Shi +2 more 2023-06-13
11600891 Battery configurations having balanced current collectors Dylan Erb, Abraham B. Caulk, Ross L. Johnstal, Edward T. Hillstrom, Zhongying Shi +1 more 2023-03-07
11588155 Battery configurations for cell balancing Dylan Erb, Abraham B. Caulk, Ross L. Johnstal, Edward T. Hillstrom, Christopher T. S. Campbell +1 more 2023-02-21
11190008 Capacitance pre-charging Hunter Wu, Hamza Derbas, Robert J. Kromer 2021-11-30
10916796 Selective charging matrix for rechargeable batteries Tobias Zeilinger, Donald G. Dafoe, Andrew C. Chu, Christopher T. S. Campbell, Mario Tippelhofer +2 more 2021-02-09
10067197 System and method for assessing voltage threshold detecting circuitry within a battery pack John H. Floros 2018-09-04
9864014 System and method for assessing voltage threshold detecting circuitry within a battery pack John H. Floros 2018-01-09
9793724 System and method for monitoring and balancing voltage of individual battery cells within a battery pack Brian C. Moorhead 2017-10-17
9641004 System and method for balancing charge between battery cells John H. Floros 2017-05-02
9618544 System and method for verifying a reference voltage for battery cell monitoring John H. Floros 2017-04-11
9160190 System and method for assessing ADC operation and voltage of a battery pack Brian C. Moorhead 2015-10-13
9157967 System and method for assessing voltage threshold detecting circuitry within a battery pack John H. Floros 2015-10-13
8629581 System and method for communicating notice to limit degradation within a battery pack Brian D. Rutkowski, Brian C. Moorhead, John W. Wagner 2014-01-14
8541979 System and method for balancing voltage of individual battery cells within a battery pack Benjamin J. Sinsheimer 2013-09-24
8427107 System and method for extending the usable capacity of a battery pack via controlling battery current through different current paths 2013-04-23
6577095 Brushless alternating current electric servo motor drive 2003-06-10
6563280 Pulse based servo motor controlled labeler William B. Henry 2003-05-13
5932986 Precise control of the rotational velocity of brushless alternating current electric servo motors William B. Henry 1999-08-03